Perform the indicated operation.3 - 12
A. -9
B. 9
C. 15
D. -15
Answer: A
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Find the character of the roots.5 + 4z2 = 8z
A. Two different rational solutions B. Two different irrational solutions C. Two different imaginary solutions D. Exactly one rational solution
Find the center of mass of a thin plate of constant density covering the given region.The region bounded by y = 10 - x and the axes
A. 
= 10, 
= 10
B. 
= 50, 
= 50
C. 
= 
, 
= 
D. 
= 
, 
= 
Provide an appropriate response.A function y = f(x) is continuous on [-3, 3]. It is known to be positive at 
and negative at 
What, if anything, does this indicate about the equation 
Illustrate with a sketch.
What will be an ideal response?
Provide an appropriate response.Use the calculator to find the approximate value of the root 361/3.
A. 12 B. 6 C. 3.301927249 D. 2.449489743